On UNIX systems, the stalwart utility tar makes light work of building archives.
在UNIX系统中，可靠的实用程序tar可以用来简化构建存档的工作。
Boots worn by University of South Florida graduate student Katie Brusché are stained with yellow-brown tar from the Gulf oil spill, as seen under ultraviolet light in a long-exposure photograph.
南佛罗里达大学研究生 Katie Brusché 穿着的一双靴子。
They accused cigarette makers of hiding information that "light" or "low tar" cigarettes are just as dangerous as other cigarettes.
他们起诉烟草制造商隐瞒了关于清淡型和低焦油型香烟和其他的香烟一样危险的信息。
Under UV light, tar from the Gulf of Mexico oil spill lights up orange-yellow on the beaches of Gulf Islands National Seashore (picture) while clean sand glows purple in a long-exposure picture.
长曝光拍摄的图片中，大片的油污在紫外线下发出橙黄色的光，干净的沙子为紫色。这是海湾岛国家海滨沙滩上的情景。
The main products are coke, coke oven gas, coal tar, light benzene, ammonium sulfate, etc.
主要产品有焦炭、焦炉煤气、煤焦油、轻苯、硫铵等。
In light of the situation of the instruments used in the intensive processing of coke tar, some problems that need to be solved in the centralized upgrading of the instruments are discussed.
针对焦油深加工仪表使用中的情况，探讨了集中改造需要解决的几个问题。
The technology is used for conversion from hydrofining coke-oven gas into the oil, conversion from coal tar into the oil and light benzole hydrorefining.
该技术使用于焦炉煤气转化油、煤焦油转化油、轻苯加氢精制。
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.
润滑性较差的介质，如轻质燃油、重质燃油、煤焦油、沥青、粘胶液、乳化液等；
In reality, some so-called 'light' and 'low-tar' cigarettes can actually be more harmful for smokers.
实际上，这些所谓的淡味和低焦油卷烟对烟民的危害更大。
In reality, some so-called 'light' and 'low-tar' cigarettes can actually be more harmful for smokers.
实际上，这些所谓的淡味和低焦油卷烟对烟民的危害更大。
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